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Showing: 1 to 10 of 9340 matches for "raise,"  Page   1   2   3   4   5   6   7   8   9  next TITLE New York Paper February, 1918 - Branch Raise System at the Ruth Mine, Nevada Consolidated Copper Co.  SUMMARY Page 1. BRANCH RAISE BYSTEM AT THE RUFH MINE 299 Branch Raise System at the Ruth Mine, Nevada Consolidated Copper Co.* ... 300 BRANCH RAISE SYSTEM AT THE RUTH MINE ... AUTHOR Larsh, Walter S. PUBLISHED 1918 TITLE Raise and Shaft Drilling, A Continuing Development  SUMMARY Page 1. Raise and shaft drilling, a continuing development RICHARD J. ROBBINS* (Visitor) ... II:::t 2000 1600 1200 800 400 FT. Raise Drill Capacity 2 3 4 ... AUTHOR Robbins, Richard J. TITLE The Economics of Mechanical Raise Boring  SUMMARY ... The Economics Mechanic Raise Boring NE Norman and James H. Dye of raising, each advantage must be considered. ... Advantages of Raise Boring ... AUTHOR Norman, N. E. ; Dye, James H. PUBLISHED 1981 TITLE A Novel Method Of Raise Development At Molycorp  SUMMARY ... NUMBER 91-34 A NOVEL METHOD OF RAISE DEVELOPMENT AT MOLYCORP J. P. Hedlund ... RAISE DEVELOPMENT Raise development in the past has been accomplished using a ... AUTHOR Hedlund, J. P. PUBLISHED 1991 TITLE Rock Mass Classification is Only Part of the Answer to Assess Raise Boring  SUMMARY ... Raise Boring ... For this paper the proposed raise bore is a 350 m deep, 4 m diameter ventilation shaft at Oceana Gold’s Frasers mine, Macraes Flat, New Zealand. ... AUTHOR J Wallis PUBLISHED 2008 TITLE The optimization of raise-connection spacing in gold mines  SUMMARY ... The optimization of raise-connection spacing ... Introduction The distance between raise connections is a major design parameter in scattered gold-mining layouts. ... AUTHOR Lawrence, D. R. PUBLISHED 1983 TITLE Down-the-Hole Blasthole Drill Jumbos for Underground Stoping  SUMMARY ... The layout for conventional drilling consists of one access raise, one ore chute, five sublevels with two sub- headings and one crosscut per sublevel. ... AUTHOR Anderson, Bernard F. PUBLISHED 1982 TITLE Raise Excavation Method Selection ? Introduction  SUMMARY ... Preprint 11-085 RAISE EXCAVATION METHOD SELECTION ... Support may or may not be needed depends on the purpose of the raise and rock quality. ... AUTHOR Chen, S. PUBLISHED 2011 TITLE Alimak Vein Mining  SUMMARY ... INTRODUCTION The Alimak raise climber was first introduced in 1957 by Linden Alimak of Sweden and was soon realised to be a more efficient and safer method of ... PUBLISHED 1993 TITLE The Development Of L44 Ventilation Shaft (Surface To 11 Level), Mount Isa Mine Limited  SUMMARY ... sections. Development was based on stripping the shaft to a bored pilot raise. ... operations. 1. Boring of the pilot raise. 2. Presink. ... AUTHOR Martin R E PUBLISHED 1977 Showing: 1 to 10 of 9340 matches for "raise,"  Page   1   2   3   4   5   6   7   8   9  next Search Again